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There are certain properties related to ...

There are certain properties related to adsorption
I. reversible
II. Formation of unimolecular layer
III. , low heat of adsorption
IV., occurs at low temperature and decreases with increasing temperature
Which of the above properties are for physical adsorption ?

A

I , II and III

B

I , III and IV

C

II , III and IV

D

II , IV and III

Text Solution

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The correct Answer is:
B
Physical adsorption is reversible , have low heat of adsorption and occurs at low temperature . It decreases with increasing temperature , it forms the multimolecular layer
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SURFACE CHEMISTRY-EXERCISE 2
  1. There are certain properties related to adsorption I. reversible I...

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  2. Extent of adsorption is

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  3. During adsorption , which of the following has negative value ?

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  4. The role of the activation charcoal in gas mask used coal mine is

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  5. Gas mask is prepared on the basis of adsorption because

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  6. Adsorption of gaseous moleculesof hydrogen on Pd is known as

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  7. Point out the correct statement .

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  8. Plot of log x/m against log p is a straight line inclined at an angle ...

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  9. Choose the incorrect statement .

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  10. Powdered substances are more effective adsorbents than their crystalli...

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  11. The linear plot for Freundich adsorption isotherm is

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  12. In general, H(2) gas is adsorbad on activated charcoal to a less exten...

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  13. For a positively charged sol , the flocculating power of KCl , MgCl(2)...

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  14. LANGMUIR ISOTHERM

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  15. Which of the following is the correct approximate value of ratio of si...

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  16. How will you test whether a given solution is a colloidal solutio...

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  17. Which of the following is incorrect about adsorption ?

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  18. In physisorption , adsorbent does not show specificity for any particu...

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  19. Adsorption is always exothermic in nature , Do you agree ?

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  20. A colloidal solution is subjected to an electrical field. The particle...

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  21. Identify the gas which is readily adsorbed by activated charcoal .

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